Tunnel Beetle vs Walnut Sphinx Moth

Side-by-side species comparison

Attribute Tunnel Beetle Walnut Sphinx Moth
Scientific Name Lymexylon navale Amorpha juglandis
Order Coleoptera Lepidoptera
Family Lymexylidae Sphingidae
Size 7-16mm 50-75 mm
Habitat Woodlands Woodlands
Diet Wood Feeders Detritivores
Regions Europe Eastern North America
Conservation Least Concern Least Concern

Tunnel Beetle

A slender cylindrical beetle whose larvae bore straight tunnels through oak timber. Historically damaged ship timber.

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Did You Know?

Was a major pest of oak shipbuilding timber, boring tunnels that weakened the hulls of wooden warships.

Walnut Sphinx Moth

A beautifully cryptic hawk moth with scalloped wing edges and mottled brown, gray, and lavender patterns. It rests among leaf litter where it is nearly impossible to detect.

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Did You Know?

The walnut sphinx caterpillar can produce a high-pitched whistle by forcing air through its spiracles, startling birds and other predators.